Wireless Lavalier Microphone

(1) Wireless Lavalier Microphone for iPhone iPad,with one transmitter

(2) Wireless Lavalier Microphone for iPhone iPad,with two transmitter 

(3)Wireless Lavalier Microphone for Type-C Smart Phone,with one transmitter

(4)Wireless Lavalier Microphone for Type-C Smart Phone,with two transmitter